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Toshiba Tecra A3 Maintenance Manual

Toshiba Tecra A3 Maintenance Manual

Personal computer
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Toshiba Personal Computer
TECRA A3/S2
Maintenance Manual
TOSHIBA CORPORATION

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Summary of Contents for Toshiba Tecra A3

  • Page 1 Toshiba Personal Computer TECRA A3/S2 Maintenance Manual TOSHIBA CORPORATION...
  • Page 2 The information presented in this manual has been reviewed and validated for accuracy. The included set of instructions and descriptions are accurate for the Tecra A3/S2 Series at the time of this manual's production. However, succeeding computers and manuals are subject to change without notice.
  • Page 3 NOTE: ..“Note” contains general information that relates to your safe maintenance service. Improper repair of the computer may result in safety hazards. Toshiba requires service technicians and authorized dealers or service providers to ensure the following safety precautions are adhered to strictly.

  • Page 4: Handling The Lcd Module

    The manual is divided into the following parts: Chapter 1 ..........................Hardware Overview describes the Tecra A3/S2 Series system unit and each FRU. Chapter 2 ..........................Troubleshooting Procedures explains how to diagnose and resolve FRU problems. Chapter 3 ..........................Test and Diagnostics describes how to perform test and diagnostic operations for maintenance service.
  • Page 5 Text that you are instructed to type in is shown in the boldface type below: DISKCOPY A: B: The display Text generated by the computer that appears on its display is presented in the type face below: Format complete System transferred Tecra A3/S2 Maintenance Manual...

  • Page 6: Table Of Contents

    Keyboard Troubleshooting.....................2-15 External USB Devices Troubleshooting ................2-17 TV-Out Failure Troubleshooting ...................2-19 Printer Port Troubleshooting..................2-21 TouchPad Troubleshooting ....................2-23 2.10 Speaker Troubleshooting....................2-25 2.11 Modem Troubleshooting ....................2-27 2.12 PCMCIA Troubleshooting .....................2-29 2.13 IEEE 1394 Troubleshooting...................2-31 2.14 Wireless LAN Troubleshooting ..................2-33 Tecra A3/S2 Maintenance Manual...
  • Page 7 LCD Pixels Mode Test ............Error! Bookmark not defined. 3.15 Lid Switch Test ..............Error! Bookmark not defined. 3.16 HDD R/W Test ..............Error! Bookmark not defined. 3.17 LAN Test ................Error! Bookmark not defined. 3.18 RTC Test................Error! Bookmark not defined. Tecra A3/S2 Maintenance Manual...
  • Page 8 Display Assembly......................4-26 4.13 Top Cover........................4-28 4.14 Touch Pad........................4-31 4.15 Speakers..........................4-32 4.16 System Board .........................4-33 4.17 Direct Play buttom board ....................4-36 4.18 Fan, Hest & CPU......................4-37 4.19 Display Mask........................4-38 4.20 LCD Module........................4-42 4.21 FL Inverter Board......................4-44 viii Tecra A3/S2 Maintenance Manual...
  • Page 9 Handling the LCD Module ................. A-1 Appendix B Board Layout ...................... B-1 Appendix C Pin Assignments....................C-1 Appendix D Keyboard Scan/Character Codes ................ D-1 Appendix E Key Layout......................E-1 Appendix F Series Screw Torque List ..................F-1 Appendix G Reliability......................G-1 Tecra A3/S2 Maintenance Manual...

  • Page 10: Chapter 1 Hardware Overview

    Chapter 1 Hardware Overview...
  • Page 11 1 Hardware Overview 1-ii Tecra A3/S2 Series Maintenance Manual...
  • Page 12 DVD-ROM Drive..................1-15 1.4.3 CD-ROM Drive..................1-15 1.4.4 DVD±R/±RW Drive ................. 1-15 1.4.5 DVD Super Multi Drive................1-17 Power Supply ......................1-15 Batteries ........................1-21 1.6.1 Main Battery....................1-21 1.6.2 RTC battery ....................1-22 Tecra A3/S2 Series Maintenance Manual 1-iii...
  • Page 13 1 Hardware Overview 1-iv Tecra A3/S2 Series Maintenance Manual...

  • Page 14: Features

    1.2 System Unit 1 Hardware Overview Features The TECRA A3/S2 Series Personal Computer uses extensive Large Scale Integration (LSI), and Complementary Metal-Oxide Semiconductor (CMOS) technology extensively to provide compact size, minimum weight and high reliability. This computer incorporates the following features and benefits: •...
  • Page 15 • 5.25’’ 12.7mm height CD-ROM device Optional Devices • 256MB/512MB/1GB SO-DIMM modules • MINI PCI module (802.11a+b+g Wireless LAN module/802.11b+g Wireless LAN module) • MDC Modem • Bluetooth modem • Dual-Band build in Antenna for Wireless LAN Communication. Tecra A3/S2 Series Maintenance Manual...
  • Page 16 • Three 4-pins USB 2.0 ports • One 4-pins USB 2.0 port(BTO) • One RJ11/RJ45 Port • VR for volume control • One optional IEEE 1394 port • FIR • One optional 6-in-1 port, support SD/MMC/SM/MS/MS Pro/xD Tecra A3/S2 Series Maintenance Manual...
  • Page 17 1 Hardware Overview 1.2 System Unit PCMCIA Card Organization • Accommodate one type II device for TECRA A3 or two type II devices/one type III device for TECRA S2. • SRAM, OTPROM, FLASH ROM, mask ROM memory card up to 64MB •...
  • Page 18 • Power button • TOSHIBA Assist Button You can associate an application to this button for automatic launch. • TOSHIBA Presentation Button This button allows the user to switch between the LCD and LCD/CRT (or projector). Tecra A3/S2 Series Maintenance Manual...

  • Page 19: System Unit

    • Single or dual channel LVDS panel support up to SXGA+ panel, resolution with frequency range from 25MHZ to 112MHZ per channel. SMsC LPC 47N217 Super I/O with LPC Interface • PC99a, PC2001 • ACPI 2.0 Compliant • Serial Ports • One Full Function Serial Port 1-10 Tecra A3/S2 Series Maintenance Manual...
  • Page 20 • Two Analog Line-level Mono Inputs : PCBEEP, PHONE-IN. • Two software selectable Microphone Inputs. • High quality differential CD Input. • Power Management and enhanced power saving features. • Meets Microsoft® WHQL/WLP2.0 audio Requirements. Tecra A3/S2 Series Maintenance Manual 1-11...
  • Page 21 • Node power class information signaling for system power management. • PCI burst transfers and deep FIFOs to tolerate large host latency. • Separate cable bias(TPBIAS) for each port. • Register access fail interrupt when the PHY SCLK is not active. 1-12 Tecra A3/S2 Series Maintenance Manual...
  • Page 22 • Enhanced receiving FIFO flow control for Serial ATA link • DMA Command Queuing(maximum 32 entries • Supports 20, 25, 30, or 40MHz reference clock. • Serial ATA Interface of 1.5Gbps • Full scan for high production test coverage Tecra A3/S2 Series Maintenance Manual 1-13...

  • Page 23: Inch Hard Disk Drive

    The internal HDD is a random access non-volatile storage device. It has a non-removable 2.5- inch magnetic disk and mini-Winchester type magnetic heads. The computer supports a 30/ 40/ 60/ 80/ 100/ 120GB HDD. 1-14 Tecra A3/S2 Series Maintenance Manual...

  • Page 24: Removable Drives

    • CD-RW/DVD-ROM drive • DVD±R/±RW drive • DVD Super Multi drive • CD-ROM driver 1.4.1 DVD-ROM Drive The DVD-ROM drive (Toshiba SD-C2712) accommodates either 12cm (4.72-inch) or 8cm (3.15-inch) CDs or DVDs. Transfer rates DVD-ROM Maximum 8 times faster rotational speed...
  • Page 25 Video CD CD-RW Photo CD CD-R 1.4.3 CD-RW/DVD-ROM Drive The CD-RW/DVD-ROM combo drive (Toshiba TS-L462A, Matsushita UJDA760 or TEAC DW-224E) is capable of driving either 12cm (4.72-inch) or 8cm (3.15-inch) DVDs and CDs without using an adaptor. Read speeds DVD-ROM...

  • Page 26: Dvd±R/±Rw Drive

    DVD+R DVD+RW 1.4.5 DVD Super Multi Drive The DVD Super Multi Drive (Toshiba TS-L632A, Matsushita UJ-830B, UJ-831B or TEAC DV- W28E) is capable of driving either 12cm (4.72-inch) or 8cm (3.15-inch) DVDs and CDs without using an adaptor. Read speeds...
  • Page 27 CD-DA, CD+(E)G, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA, MIXED Applicable MODE CD, CD-I, CD-I Bridge (Photo-CD, Video-CD), Multisession CD (Photo- Read Disc: CD, CD-EXTRA, Portfolio, CD-R, CD-RW), CD-R, CD-RW DVD-ROM [DVD-5, DVD-9, DVD-10, DVD-18] DVD-R DVD-RW DVD+R DVD+RW DVD-RAM 1-18 Tecra A3/S2 Series Maintenance Manual...

  • Page 28: Power Supply

    Battery LED (two colors: Green & Orange Blue & Orange) • Blue or Green solid = The battery is fully charged. • Orange = The computer is quick-charging the battery / The battery is low. Tecra A3/S2 Series Maintenance Manual 1-19...
  • Page 29 When a new battery is installed, the EC communicates with the E PROM in the battery to read information of the newly installed battery. 10. Battery capacity calculation The EC reads battery remaining and percentage capacity from the battery through SMBus. 1-20 Tecra A3/S2 Series Maintenance Manual...

  • Page 30: Batteries

    The times required for charges are listed in the table below. Status Charging time Normal charge (power on) 12 hours or longer Quick charge (power off) About 4 hours Tecra A3/S2 Series Maintenance Manual 1-21...

  • Page 31: Rtc Battery

    RTC battery. The RTC battery is charged by the adaptor or main battery, while the computer is powered on. Status Time Charging Time (power on) About 24 hours Data preservation period (full charge) 1 month 1-22 Tecra A3/S2 Series Maintenance Manual...

  • Page 32: Chapter 2 Troubleshooting Procedures

    Chapter 2 Troubleshooting Procedures...
  • Page 33 2 Troubleshooting Procedures 2-ii Tecra A3/S2 Series Maintenance Manual...
  • Page 34 TV-Out Failure Troubleshooting ................2-19 Printer Port Troubleshooting..................2-21 TouchPad Troubleshooting..................2-23 2.10 Speaker Troubleshooting ..................2-25 2.11 Modem Troubleshooting..................2-27 2.12 PCMCIA Troubleshooting..................2-29 2.13 IEEE 1394 Troubleshooting ..................2-31 2.14 Wireless LAN Troubleshooting................2-33 Tecra A3/S2 Series Maintenance Manual 2-iii...
  • Page 35 Figure 2-11 Modem troubleshooting process ..............2-30 Figure 2-12 PCMCIA troubleshooting process..............2-32 Figure 2-13 IEEE 1394 troubleshooting process .............2-34 Figure 2-14 Wireless LAN troubleshooting process............2-36 Tables Table 2-1 Battery LED ......................2-8 Table 2-2 DC-IN LED .......................2-9 2-iv Tecra A3/S2 Series Maintenance Manual...

  • Page 36: Troubleshooting Introduction

    8. Cleaning kit for optical drive troubleshooting 9. Multimeter 10. External monitor 11. USB compatible keyboard 12. Multimedia sound system with line-in and line-out ports 13. Headphones 14. USB test module and USB cable 15. Music CD Tecra A3/S2 Series Maintenance Manual...

  • Page 37: Troubleshooting Flowchart

    Ask the user if a password is registered and, if it is, ask him or her to enter the password. Verify with the customer that Toshiba Windows XP is installed on the hard disk. Operating systems that were not preinstalled by Toshiba can cause the computer to malfunction.

  • Page 38: Figure 2-1 Troubleshooting Flowchart (1/2)

    R u n C M 1 6 5 .E X E a n d se le c t th e H A R D D IS K ite m . Y es Figure 2-1 Troubleshooting flowchart (1/2) Tecra A3/S2 Series Maintenance Manual...

  • Page 39: Figure 2-1 Troubleshooting Flowchart (2/2)

    After confirming which diagnostics test has detected Is an error detected by any of the an error, perform the diagnostics tests? appropriate procedure as outlined below. System is normal Figure 2-1 Troubleshooting flowchart (2/2) Tecra A3/S2 Series Maintenance Manual...
  • Page 40 6. If an error is detected by the audio test, perform the Speaker Troubleshooting procedures in Section 2.10 and the Optical Drive Troubleshooting Procedures in Section 2.12. 7. If an error is detected by the modem test, perform the Modem Troubleshooting Procedures in Section 2.12. Tecra A3/S2 Series Maintenance Manual...
  • Page 41 6. If an error is detected when using the IEEE1394 device, perform the IEEE1394 device Troubleshooting procedures in Section 2.14. 7. If an error is detected when using the Wireless LAN, perform the Wireless LAN Troubleshooting procedures in Section 2.15. Tecra A3/S2 Series Maintenance Manual...

  • Page 42: Power Supply Troubleshooting

    (P rocedure 4) P erform internal connection A re the internal power check connections secure? (P rocedure 5) Y es R eplace system board E N D Figure 2-2 Power Supply Troubleshooting Process Tecra A3/S2 Series Maintenance Manual...

  • Page 43: Table 2-1 Battery Led

    The system is (LED on for 1 second protected and cannot be re-powered on every 2 seconds) without the AC power connected. Amber color off Battery not in low or critical low state; It’s in discharging state Tecra A3/S2 Series Maintenance Manual...

  • Page 44: Table 2-2 Dc-In Led

    A faulty adaptor may not supply power or may not charge the battery. Perform Check 1. Check 1 Connect a new AC adaptor. If the problem is not resolved, go to Check 2. Check 2 Insert a new battery. If the problem is still not resolved, go to Procedure 3. Tecra A3/S2 Series Maintenance Manual...
  • Page 45 • If the battery LED does not light, go to Check 6. Check 6 Make sure the battery pack is installed in the computer correctly. If the battery is properly installed and the battery LED still does not light, go to Procedure 4. 2-10 Tecra A3/S2 Series Maintenance Manual...
  • Page 46 Make sure that the battery cable is firmly connected to the system board. If it is connected firmly, go to Check 3. Check 3 The system board may be damaged. Replace it with a new one following the instructions in Chapter 4. Tecra A3/S2 Series Maintenance Manual 2-11...

  • Page 47: Display Troubleshooting

    ( P r o c e d u r e 3 ) R e p la c e s y s te m b o a r d E N D Figure 2-3 Display troubleshooting process 2-12 Tecra A3/S2 Series Maintenance Manual...
  • Page 48 Refer to Chapter 3, Tests and Diagnostics for details. If an error is detected, go to Procedure 3. If an error is not detected, the display is functioning properly. Tecra A3/S2 Series Maintenance Manual 2-13...
  • Page 49 Check 5. Check 5 Replace the CPU with another of the same specifications. If the problem still exists, perform Check 6. Check 6 The system board may be damaged. Replace it with a new one. 2-14 Tecra A3/S2 Series Maintenance Manual...

  • Page 50: Keyboard Troubleshooting

    ( P r o c e d u r e 3 ) R e p la c e s y s te m b o a r d E N D Figure 2-4 Keyboard troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-15...
  • Page 51 The keyboard may be damaged. Replace it with a new one following the instructions in Chapter 4. If the problem still exists, perform Check 3. Check 3 The system board may be damaged. Replace it with a new one following the instructions in Chapter 4. 2-16 Tecra A3/S2 Series Maintenance Manual...

  • Page 52: External Usb Devices Troubleshooting

    R e p la c e s y s te m b o a r d ( P r o c e d u r e 2 ) E N D Figure 2-5 External USB device troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-17...
  • Page 53 Go to Procedure 2. Procedure 2 Replace system board If the error persists, the system board may be damaged. Replace it with a new one following the instructions in Chapter 4. 2-18 Tecra A3/S2 Series Maintenance Manual...

  • Page 54: Tv-Out Failure Troubleshooting

    T V fu n c tio n in g o k ? s e t Y es R e p la c e s y s te m b o a r d E N D Figure 2-6 TV-out troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-19...
  • Page 55 Try connecting a different television to the computer. If the replacement television works, the original set may be damaged. If the replacement set does not work the system board may be damaged. Replace it with a new one following the instructions in Chapter 4. 2-20 Tecra A3/S2 Series Maintenance Manual...

  • Page 56: Printer Port Troubleshooting

    Perform print port loopback check (Procedure 2) Print port is not Was a print port faulty continue problem detected? troubleshooting refer to Figure 2.1 Replace system board (Procedure 3) Figure 2-7 Printer port troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-21...
  • Page 57 If the replacement printer does not work either, or the original printer functions normally on a different computer, go to Procedure 3. Procedure 3 Replace system board The system board may be damaged. Replace it with a new one following the instructions in Chapter 4. 2-22 Tecra A3/S2 Series Maintenance Manual...

  • Page 58: Touchpad Troubleshooting

    2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures TouchPad Troubleshooting START TouchPad connection check (Procedure 1) TouchPad replacement check (Procedure 2) Replace system board Figure 2-8 TouchPad troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-23...
  • Page 59 The TouchPad unit or FPC may be defective or damaged. Replace each with a new one following the steps in Chapter 4. If the FDD is still not functioning properly, replace the system board with a new one following the steps in Chapter 4. 2-24 Tecra A3/S2 Series Maintenance Manual...

  • Page 60: Speaker Troubleshooting

    - see Figure 2-1 Perform earphone test (Procedure 2) Do earphones function correctly? Perform connection check (Procedure 3) Perform replacement check (Procedure 4) Replace system board Figure 2-9 Speaker troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-25...
  • Page 61 If the stereo speakers don't sound properly, the stereo speakers may be defective or damaged. Replace them with new ones. If the stereo speakers still do not work properly, try replacing in turn the audio board and system board. 2-26 Tecra A3/S2 Series Maintenance Manual...

  • Page 62: Modem Troubleshooting

    (Procedure 1) Check / replace Computer unable to telephone line and detect telephone signal? connections Perform connection check (Procedure 2) Perform replacement check (Procedure 3) Replace system board Figure 2-11 Modem troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-27...
  • Page 63 The modem card or RJ-11 jack may be faulty. Try replacing them. If the problem persists, the system board may be defective or damaged. Replace the System Board with a new one following the steps in Chapter 4, Replacement Procedures. 2-28 Tecra A3/S2 Series Maintenance Manual...

  • Page 64: Pcmcia Troubleshooting

    2.12 PCMCIA Troubleshooting START Perform SYCARD test (Procedure 1) Do errors occur during PCMCIA unit is SYCARD test? not faulty. Perform PCMCIA socket replacement check (Procedure 2) Replace system board Figure 2-12 PCMCIA troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-29...
  • Page 65 Disassemble the computer following the steps described in Chapter 4, Replacement Procedures and replace the socket. If the problem persists, the system board may be defective or damaged. Replace the system board with a new one following the steps in Chapter 4. 2-30 Tecra A3/S2 Series Maintenance Manual...

  • Page 66: Ieee 1394 Troubleshooting

    IEEE 1394 port and transmission are not Was an IEEE 1394 problem detected? faulty. Continue troubleshooting - refer to Figure 2.1 Perform connection and replacement check (Procedure 3) Replace system board Figure 2-13 IEEE 1394 troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-31...
  • Page 67 Make sure the IEEE 1394 port is firmly secured to the system board of the computer. If the malfunction persists, go to Check 3. Check 3 The transmission cable may be damaged. Replace with a good cable. If the malfunction persists, go to Check 4 2-32 Tecra A3/S2 Series Maintenance Manual...
  • Page 68 2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures Check 4 The system board may be damaged. Replace it with a new one following the instructions in Chapter 4. Tecra A3/S2 Series Maintenance Manual 2-33...

  • Page 69: Wireless Lan Troubleshooting

    Continue Was a wireless LAN problem delected? troubleshooting - refer to Figure 2.1 Perform connector and replacement check (Procedure 2) Replace wireless LAN antenna/unit Replace system board Figure 2-14 Wireless LAN troubleshooting process 2-34 Tecra A3/S2 Series Maintenance Manual...
  • Page 70 The wireless LAN unit may be damaged. Replace it with a new one following the instructions in Chapter 4. If the problem still exists, perform Check 4. Check 4 The system board may be damaged. Replace it with a new one following the instructions in Chapter 4. Tecra A3/S2 Series Maintenance Manual 2-35...
  • Page 71 2 Troubleshooting Procedures 2.10 Speaker Troubleshooting 2-36 Tecra A3/S2 Series Maintenance Manual...
  • Page 72 Chapter 3 Tests and Diagnostics...
  • Page 73 3. Tests and Diagnostics 3-ii Tecra A3/S2 Series Maintenance Manual...
  • Page 74 Test and Diagnostic Operation Contents The Diagnostic Test ......................3-1 Executing the Diagnostic Test ..................3-2 Config Check Test ......................3-6 DMI Check Test....................... 3-7 PIO Loopback Test ......................3-8 Speaker Audio Test......................3-10 Fan ON/OFF Test ......................3-11 Main Battery Charge Test....................3-12 3.10 FDD Test........................
  • Page 75 3. Tests and Diagnostics 3-iv Tecra A3/S2 Series Maintenance Manual...

  • Page 76: The Diagnostic Test

    A formatted working diskette for the floppy disk drive test (Floppy Disk Drive Test) A data CD disc (CD-ROM Test) A LAN loopback connector (LAN Test) IEEE1394 Link Cable The following sections explain how to execute the Test & Diagnostic Program and detail the tests within the program. Tecra A3/S2 Series Maintenance Manual...

  • Page 77: Executing The Diagnostic Test

    3.2 Executing the Diagnostic Test Executing the Diagnostic Test Toshiba MS-DOS is required to run the DIAGNOSTICS PROGRAM. To start the DIAGNOSTIC PROGRAM, follow these steps: 1. Insert the diagnostics diskette #1 in the floppy disk drive and turn on the computer. (The diagnostics diskette contains the MS-DOS boot files.) And then follow the instructions to...
  • Page 78 3.2 Executing the Diagnostic Test 3. Tests and Diagnostics The below display will show up at the beginning of T&D program If the test result passes, the following display will show up: Tecra A3/S2 Series Maintenance Manual...
  • Page 79 If an error is detected and a test fails, the following message displays: Then press any key for next actions – the below display presented if copying test log file onto diskette is necessary. This action will be executed when “Y” key pressed. Tecra A3/S2 Series Maintenance Manual...
  • Page 80 And then it will check if it’s necessary to leave this program. Program will quit when “Y” key pressed and it will go back main menu for next test if “N” key pressed. NOTE: Press Pause to pause a test and Enter to resume. Tecra A3/S2 Series Maintenance Manual...

  • Page 81: Config Check Test

    NOTE: To execute this test, you must input unit Part Number as “Uppercase Character”. Then it will show its configuration is correct (in green color) or failed (in color). The screen should display as below, indicating whether the test is passed or failed after comparison. Tecra A3/S2 Series Maintenance Manual...

  • Page 82: Dmi Check Test

    It needs to input unit Part Number by manual, then show this unit DMI information and makes comparison with SKU data. NOTE: To execute this test, you must input unit Part Number as “Uppercase Character”. The screen should display as below, indicating whether the test is passed or failed after comparison. Tecra A3/S2 Series Maintenance Manual...

  • Page 83: Pio Loopback Test

    - including Pattern test, Data Pin test, Control register test & Control pin/ Status pin test. NOTE: Remember to connect a PIO loopback connector to the computer's printer port before test begins. The screen should display as below, indicating whether the test is passed or failed when finished. Tecra A3/S2 Series Maintenance Manual...
  • Page 84 3.6 IEEE 1394 Test 3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual...

  • Page 85: Speaker Audio Test

    OK within 3 times “Beep” sound generated. NOTE: Remember to tune up the volume as “Maximum” before this test starts. The screen should display as below, indicating whether the test is passed or failed after the question. 3-10 Tecra A3/S2 Series Maintenance Manual...

  • Page 86: Fan On/Off Test

    The computer will stop the fan working after any key pressed. Listen to check if the fan is “OFF” – it means no rotating sound. The screen should display as below, indicating whether the test is passed or failed after the question. Tecra A3/S2 Series Maintenance Manual 3-11...

  • Page 87: Main Battery Charge Test

    Remain charge capacity (0 ~ 100%) Charge function (PASS/FAIL) - “Battery Is Full” showed when “remain charge capacity” is 100% The screen should display as below, indicating whether the test is passed or failed when finished. 3-12 Tecra A3/S2 Series Maintenance Manual...

  • Page 88: Fdd Test

    NOTE: The write-protected device of this formatted diskette should be “Disable”. The subtests run automatically. NOTE: Press “Esc” key can skip the current subtest. The screen should display as below, indicating whether the subtests pass or fail when finished. Tecra A3/S2 Series Maintenance Manual 3-13...

  • Page 89: Cd-Rom Test

    Each item can be chosen by manual. When each test item finished, the CD-ROM tray will open. Check whether the tray can open automatically. NOTE: Press “Esc” key can skip the current subtest. The screen should display as below, indicating whether the subtests pass or fail when finished. 3-14 Tecra A3/S2 Series Maintenance Manual...

  • Page 90: Keyboard Test

    NOTE: The “Fn” key cannot be tested in the keyboard test. To determine whether the “Fn” key is working correctly, press “Fn+F6 ” or “Fn+F7 ” keys to check if LCD display brightness change gradually. Tecra A3/S2 Series Maintenance Manual 3-15...
  • Page 91 Pressing a key also reveals that key’s scan codes in the upper right hand corner of the screen. When the key is depressed, its make code is displayed. When the key is released, the break code is shown. 3-16 Tecra A3/S2 Series Maintenance Manual...

  • Page 92: Mouse (Pad) Test

    The Touch Pad button subtest allows users to test their Touch Pad buttons. If the buttons are clicked, the cursors should appear in the corresponding box of the button figure that is displayed on the screen as below. Tecra A3/S2 Series Maintenance Manual 3-17...
  • Page 93 It will indicate whether the subtests pass or fail after three questions. NOTE: The above figure has three compartments although the Touch Pad installed may only have two buttons. In this case, the central compartment in the figure does not correspond to any button. 3-18 Tecra A3/S2 Series Maintenance Manual...

  • Page 94: Lcd Pixels Mode Test

    - including 320*200 (4/16/256 colors), 640*200 (2/16 colors), 640*350 (2/16 colors), 640*480 (2/16/256 colors), 800*600 (256 colors) and 1024*768 (256 colors). The screen should display as below, indicating whether the test is passed or failed after the question. Tecra A3/S2 Series Maintenance Manual 3-19...

  • Page 95: Lid Switch Test

    Follow below steps to run this test: 1. Close the LCD cover. 2. Heard 3 “Beep” sound happened during LCD closed. 3. Open the LCD. Then it will indicate whether the test is passed or failed. 3-20 Tecra A3/S2 Series Maintenance Manual...

  • Page 96: Hdd R/W Test

    3.15 HDD R/W Test The HDD R/W test allows the user to test aurally HDD read/write function. For data security concern, it is necessary to input password - “TOSHIBA” before HDD write test starts. The HDD test includes three subtests of the: 1.
  • Page 97 NOTE: Press “Ctrl + Break” keys can terminate the current subtest. The screen should display as previous picture, indicating whether the subtest is passed or failed when finished. NOTE: The AC adaptor should be connected to successfully run this test. 3-22 Tecra A3/S2 Series Maintenance Manual...

  • Page 98: Lan Test

    Test Rate Control . The LAN test includes three subtests of the: Speed1000 including ASIC Loopback (Speed=1000) Speed100 including ASIC Loopback (speed=100) 3. Speed 10 - including ASIC Loopback (Speed=10) The subtests run automatically. Tecra A3/S2 Series Maintenance Manual 3-23...
  • Page 99 3. Tests and Diagnostics 3.17 LAN Test The screen should display as below, indicating pass will go on to next test FAIL as below will keep this screen 3-24 Tecra A3/S2 Series Maintenance Manual...
  • Page 100 3.17 LAN Test 3.17 LAN Test 3. Tests and Diagnostics 3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual Tecra A3/S2 Series Maintenance Manual 3-25 3-25...
  • Page 101 3. Tests and Diagnostics 3.17 LAN Test 3-26 Tecra A3/S2 Series Maintenance Manual...

  • Page 102: Rtc Test

    Checks the computer’s RTC (Real Time Clock) and calendar functions by comparing the DOS and CMOS values. The test runs automatically. The screen should display as below, indicating whether the test is passed or failed when finished. Tecra A3/S2 Series Maintenance Manual 3-27...
  • Page 103 Chapter 4 Replacement Procedures...
  • Page 104 4 Replacement Procedures 4-ii Tecra A3/S2 Series Maintenance Manual...
  • Page 105 System Board ......................... 4-33 4.17 Direct Play buttom board ....................4-36 4.18 Fan, Hest & CPU ......................4-37 4.19 Display Mask ......................... 4-38 4.20 LCD Module ........................4-42 4.21 FL Inverter Board ......................4-44 Tecra A3/S2 Series Maintenance Manual 4-iii...
  • Page 106 Figure 4-22 Removing the wireless and LCD cable...............4-27 Figure 4-23 Removing screw of bottom .................4-28 Figure 4-24 Removing the top cover ..................4-29 Figure 4-25 Removing FFC cable ..................4-29 Figure 4-26 Removing the speakers cable................4-30 4-iv Tecra A3/S2 Series Maintenance Manual...
  • Page 107 Removing the CPU..................... 4-38 Figure 4-36 Removing the display mask................4-40 Figure 4-37 Removing the LCD module-1 ................4-42 Figure 4-38 Removing the LCD module-2 ................4-43 Figure 4-39 Removing the FL inverter board ................ 4-44 Tecra A3/S2 Series Maintenance Manual...

  • Page 108: General

    Refer to the example on the following page. Battery pack Keyboard Wireless LAN MODEM Expansion Memory Module Direct Play Button Board Display Assembly Top Cover Display Mask System Board LCD Module Fan & Heat Sink Speakers Touch Pad FL Inverter Board Tecra A3/S2 Series Maintenance Manual...
  • Page 109 Always starts the disassembly process by removing the battery pack. Battery pack Keyboard Wireless LAN MODEM Expansion Memory Module Direct Play Button Board Display Assembly Top Cover Display Mask System Board LCD Module Fan & Heat Sink Speakers Touch Pad FL Inverter Board Tecra A3/S2 Series Maintenance Manual...
  • Page 110 DANGER: Always use the lithium ion battery pack or backup battery that is authorized by Toshiba or compatible with the unit. Since other battery packs have different specifications, they may be incompatible with the unit, and may burst or explode.
  • Page 111 The computer contains many sharp edges and corners, so be careful not to injure yourself. 10. After you have replaced an FRU, make sure the computer is functioning properly by performing the appropriate test on the FRU you have fixed or replaced. Tecra A3/S2 Series Maintenance Manual...
  • Page 112 FRU. After installing an FRU in the computer, confirm that the FRU and the computer are functioning properly. Tecra A3/S2 Series Maintenance Manual...
  • Page 113 Tweezers, to lift out screws that you cannot grasp with your fingers. ESD mats for the floor and the table you are working on. ESD wrist strap or heel grounder. Anti-static carpeting or flooring. Air-ionizers in highly static sensitive areas. Tecra A3/S2 Series Maintenance Manual...

  • Page 114: Battery

    Remove the battery pack from the bay (3). Battery pack Battery Battery pack release latch Figure 4-1 Removing the battery pack NOTE: For environmental reasons, do not throw away a spent battery pack. Please return spent battery packs to Toshiba. Tecra A3/S2 Series Maintenance Manual...

  • Page 115: Pc Card

    WARNING: The battery is a lithium ion battery and can explode if not properly replaced, used, handled or disposed of. Use only batteries recommended by Toshiba as replacements. Slide the battery pack into the battery bay. The battery bay latch will click automatically.

  • Page 116: Hdd

    Insert a PC Card and press gently to ensure a firm connection. Figure 4-3 Installing a PC Card NOTE: When handling the HDD, do not press the top surface as shown by the arrow. Hold it by the sides. Figure 4-4 Tecra A3/S2 Series Maintenance Manual...
  • Page 117 2. Remove two black M2.5x5 screws to release the HDD door. 3. Pull on the tab to remove the HDD module. 4. Remove the HDD module from the HDD case. M2.5x5 Figure 4-5 Removing the HDD door Figure 4-6 Removing the HDD module 4-10 Tecra A3/S2 Series Maintenance Manual...
  • Page 118 To take apart the HDD, first remove it from the computer as described earlier. 1. Remove four M3x3 screws securing the HDD mounting brackets to the HDD. There are two on each side. M3X3 M3X3 Figure 4-7 Removing the HDD bracket Tecra A3/S2 Series Maintenance Manual 4-11...

  • Page 119: Optical Drive Module

    1. Slide the device into the optical drive module bay. 2. Use one M2.5x3 screw to secure it in position. 3. Slide the Slim Select Bay latch to lock position. 4-12 Tecra A3/S2 Series Maintenance Manual...

  • Page 120: Optical Drive

    Remove two M2.5x8 screws from bracket plate and five M2.5x3 screws from Base case. M2.5 x 3 M2.5 x 8 M2.5 x 3 Connector cover Base case M2.5 x 3 Figure 4-9 Removing the optical drive bracket Tecra A3/S2 Series Maintenance Manual 4-13...
  • Page 121 2. Secure the optical drive bracket plate with two black M2.5×8 screws. 3. Secure the Base case with five M2.5x3 screws. 4. Install the optical drive module into the bay and secure with one M2.5x3 screw. 4-14 Tecra A3/S2 Series Maintenance Manual...

  • Page 122: Wireless Lan

    Detach the two ends of the wireless LAN antenna. Gently press out on the latches. One end of the wireless LAN unit will pop up. Detach antenna cables from LAN card connector. Grasp the wireless LAN unit and pull it out. Tecra A3/S2 Series Maintenance Manual 4-15...
  • Page 123 CAUTION: Do not touch the connectors on the wireless LAN unit or on the computer. Debris on the connectors may cause malfunction. Gently, push the wireless LAN unit down until the latches engage the unit to hold it in place. 4-16 Tecra A3/S2 Series Maintenance Manual...

  • Page 124: Expansion Memory

    Push the latches to the outside to release a module. A spring will force one end of the module up. Grasp the module and pull it out. Seat the cover and secure its screw. Tecra A3/S2 Series Maintenance Manual 4-17...
  • Page 125 Replace the battery pack. Latch Figure 4-13 Removing a memory module CAUTION: Do not touch the connectors on the expansion memory or on the computer. Debris on the connectors may cause memory access problems. 4-18 Tecra A3/S2 Series Maintenance Manual...
  • Page 126 Fit the module's connectors into the computer's connectors at about a 45-degree angle and press the module carefully to ensure a firm connection. Push the module down so it lies flat. Latches on either side will click into place to secure the module. Tecra A3/S2 Series Maintenance Manual 4-19...
  • Page 127 4 Replacement Procedures Latch Figure 4-15 Installing an expansion memory 4-20 Tecra A3/S2 Series Maintenance Manual...

  • Page 128: Keyboard

    1. Open the display panel. 2. Remove the strip cover by forcing one end of the strip cover up. Figure 4-16 Removing the strip cover 3. Remove two black M2.5×3 screws securing the keyboard. Tecra A3/S2 Series Maintenance Manual 4-21...
  • Page 129 4. After removing the screws, flip the keyboard latch with either a screwdriver or a fingernail. 5. Lift the keyboard out of its bay, revealing the keyboard cable. 6. Disconnect the keyboard cable and remove the keyboard from the computer entirely. 4-22 Tecra A3/S2 Series Maintenance Manual...
  • Page 130 2. Set the keyboard in place and secure it with two black M2.5x3 screws. 3. Engage the flip latch with either a screwdriver or a fingernail. 4. Set the strip cover and press down to secure the strip cover latches engage. Tecra A3/S2 Series Maintenance Manual 4-23...

  • Page 131: Bluetooth

    To install a Bluetooth unit, follow the steps below and refer to the figures in the preceding section. Seat the Bluetooth module securing with two black M2x3 screws. Connect the FFC cable to motherboard. 4-24 Tecra A3/S2 Series Maintenance Manual...

  • Page 132: Modem

    2. Remove two black M2.5x3 screws securing the modem module. 3. Carefully lift the unit off its connector 4. Disconnect the modem cable from the modem module. M2.5X3 Figure 4-20 Removing the modem module Tecra A3/S2 Series Maintenance Manual 4-25...

  • Page 133: Display Assembly

    Removing the display assembly screws Pull the strip cover. Disconnect the wireless cable (1) from system. Disconnect the LCD cable (2) from system. Disconnect the Bluetooth cable. Remove two M2.5x8 black screws securing LCD hinge. 4-26 Tecra A3/S2 Series Maintenance Manual...
  • Page 134 Connect the wireless cable to the wireless module. Connect the Bluetooth cable to the Bluetooth module. Reinstall the strip cover and the keyboard. Secure two black M2.5x8 screws on the back of the computer. Tecra A3/S2 Series Maintenance Manual 4-27...

  • Page 135: Top Cover

    HDD, memory module and wireless LAN as described in the preceding sections, then follow the steps below: 1. Remove seven black M2.5x8 and seven black M2.5x5 securing from bottom. M2.5X8 M2.5X5 M2.5X5 M2.5X8 M2.5X8 Figure 4-23 Removing screws of the bottom 4-28 Tecra A3/S2 Series Maintenance Manual...
  • Page 136 M2.5X5 M2.5X14 Figure 4-24 Removing the top cover 3. Detach the Switch board FFC, Bluetooth FFC and Touch Pad FFC cables. Switch board FFC Bluetooth FFC Touch pad FFC Figure 4-25 Removing FFC cables Tecra A3/S2 Series Maintenance Manual 4-29...
  • Page 137 Seat the top cover and secure the Switch board FFC, Bluetooth FFC and Touch Pad FFC cables. Connect Speaker cable. Secure the top cover with two black M2.5x5 and four black M2.5x14 screws. Secure the seven black M2.5x8 and seven black M2.5x5 securing from bottom. 4-30 Tecra A3/S2 Series Maintenance Manual...

  • Page 138: Touch Pad

    To install the Touch Pad, follow the steps below and refer to the figures in the preceding section: 1. Secure Touch Pad Bracket with one black M2.5x3 screw. 2. Connect the Touch Pad board FFC cable to the Touch Pad, and then secure it with two black M2.5x3 screws. Tecra A3/S2 Series Maintenance Manual 4-31...

  • Page 139: Speakers

    1. Seat each speaker. The speaker cases are marked with L (left) and R (right). 2. Secure each speaker with two black M2.5x3 screws. 3. Attached the left and right speaker cables to the system board. 4-32 Tecra A3/S2 Series Maintenance Manual...

  • Page 140: System Board

    Follow the steps below to remove the LAN board. Detach the LAN cable from motherboard. Remove one M2.5x3 screw securing the LAN board. Remove Modem cable. Remove the LAN board. M2.5X3 Figure 4-29 Removing LAN board Tecra A3/S2 Series Maintenance Manual 4-33...
  • Page 141 Attach LAN cable. Attach Modem Cable Removing the USB Board Follow the steps below to remove the USB board. Detach the USB cable from motherboard. Remove the USB board. Figure 4-30 Removing USB board 4-34 Tecra A3/S2 Series Maintenance Manual...
  • Page 142 2. Remove two 4.75 x 9.6 NI hexagonal screws securing the system board to the CRT port. 3. Remove three screws securing the Fan, and then detach the Fan from its connector. 4. Remove the system board. Tecra A3/S2 Series Maintenance Manual 4-35...

  • Page 143: Direct Play Button Board

    To remove the Direct Play Button board, first remove the Keyboard, then follow the steps below: 1. Remove two M2.5x 3 screws and FFC from top cover. M2.5X3 Figure 4-32 Removing the Direct Play Button board 4-36 Tecra A3/S2 Series Maintenance Manual...
  • Page 144 Removing the fan module 4. Remove the four embedded screws securing the heat sink in the order indicated on the heat sink. Lift out the heat sink while preventing stress to the CPU below. Tecra A3/S2 Series Maintenance Manual 4-37...
  • Page 145 5. Turn the cam on the CPU socket with a flat-blade screwdriver so that the notch on the cam is aligned with the open side of the CPU socket to unlock the CPU. Figure 4-35 Removing the CPU 6. Gently lift out the CPU. 4-38 Tecra A3/S2 Series Maintenance Manual...
  • Page 146 Seat the heat sink over the CPU and secure with the four embedded screws in the order indicated on the heat sink. Seat the fan module. Attach the fan connectors to the system board. Secure the fan module to the topside of the system board with three M2.5x5 screws. Tecra A3/S2 Series Maintenance Manual 4-39...

  • Page 147: Display Mask

    Remove two black M2.5x5 screws on the upper corner. Remove the mask seals by unsnapping the display mask along the two sides and the bottom edge to remove display. M2.5X5 Figure 4-36 Removing the display mask 4-40 Tecra A3/S2 Series Maintenance Manual...
  • Page 148 To install the display mask, follow the steps below and refer to the figures in the preceding section. 1. Seat the display mask and secure the snaps on each side. 2. Secure the display mask with two M2.5x5 screws. Tecra A3/S2 Series Maintenance Manual 4-41...

  • Page 149: Lcd Module

    To remove the LCD module, first remove the display assembly and display mask, then follow the steps below. Remove two M2.5x5 black screws securing the LCD module bracket to LCD cover. Disconnect the LCD cable from the FL inverter board. M2.5X5 Figure 4-37 Removing the LCD module-1 4-42 Tecra A3/S2 Series Maintenance Manual...
  • Page 150 Secure the LCD module bracket to the LCD module with eight M2x3 screws. Connect the LCD cable to the FL inverter board. Secure the LCD module bracket to the LCD module with two M2.5x5 screws. Tecra A3/S2 Series Maintenance Manual 4-43...

  • Page 151: Fl Inverter Board

    To install the FL inverter board, follow the steps below and refer to the figure in the preceding section. 1. Secure one black M2x3 screw connecting the FL inverter board to the LCD display assembly. 2. Reassemble the computer. 4-44 Tecra A3/S2 Series Maintenance Manual...

  • Page 152: Appendix A Handling The Lcd Module

    LCD cover before securing the module with screws. Do not force the module into place, because stress can affect its performance Note: The panel’s polarized surface is easily scarred, so handle it carefully. TECRA A3/S2 Series Maintenance Manual...
  • Page 153 Do not apply cleanser directly to the panel. Cleaner 4. If water or other liquid is left on the panel’s surface for a long period, it can change the screen’s tint or stain it. Be sure to quickly wipe off any liquid. TECRA A3/S2 Series Maintenance Manual...
  • Page 154 5. Glass is used in the panel, so be careful not to drop it or let it strike a hard object, which could cause breakage or cracks. 6. CMOS-LSI circuits are used in the module, so guard against damage from electrostatic discharge. Be sure to wear a wrist or ankle ground when handling the module. TECRA A3/S2 Series Maintenance Manual...
  • Page 155 8. Do not store the module at temperatures below specifications. Cold can cause the liquid crystals to freeze, lose their elasticity or otherwise suffer damage. 9. Do not disassemb le the LCD module. Disassembly can cause ma lfunctions. TECRA A3/S2 Series Maintenance Manual...
  • Page 156 If you transport the m odule, do not use packing material that contains epoxy resin (amine) or silicon glue (alcohol or oxime). These materials can release gas that can damage the panel’s polarization. TECRA A3/S2 Series Maintenance Manual...
  • Page 157 TECRA A3/S2 Series Maintenance Manual...

  • Page 158: Appendix B Board Layout

    Appendix B Appendix B Board Layout B.1 System Board (FRDSY*) Top View Figure B-1 System board (FRDSY*) layout (Top) TECRA A3/S2 Series Maintenance Manual...
  • Page 159 B.2 System Board (FRDSY*) Button View Figure B-2 System board (FRDSY*) layout (Button) TECRA A3/S2 Series Maintenance Manual...
  • Page 160 B-1 Sy stem board ICs (top and b ottom) Mark Name Intel Alviso Chip ICH6-M ENE 910L Marvell 88SA8040 RealTEK ALC250VD Marvell 8036 TI PCI7411 ICS954226AG BIOS ROM TECRA A3/S2 Series Maintenance Manual...
  • Page 161 JP20 1394 conn JP21, JP22 Audio jack JP23, Docking conn JP24, JP25 DDR conn JP28 Mini-PCI conn JP29 5 in 1 conn JP30 MDC conn JP31 ODD conn PJP1 Power core conn PJP2 Battery conn TECRA A3/S2 Series Maintenance Manual...

  • Page 162: Appendix C Pin Assignments

    Pin No. Signal name Pin No. Signal Name VREF VREF 25VDD 2.5VD DQS0 DQ12 2.5VDD 2.5VD DQ13 DQS1 DQ10 DQ14 DQ11 DQ15 2.5VDD 2.5VD 2.5VDD CK0# DQ16 DQ20 DQ17 DQ21 2.5VDD 2.5VDD DQS2 DQ18 DQ22 TECRA A3/S2 Series Maintenance Manual...
  • Page 163 Pin No. Signal name Pin No. Signal Name DQ19 DQ23 DQ24 DQ28 2.5VDD 2.5VD DQ25 DQ29 DQS3 DQ26 DQ30 DQ27 DQ31 2.5VDD 2.5VD DQS8 2.5VDD 2.5VDD DU/RESET# CK2# 2.5VDD 2.5VDD 2.5VDD CKE1 CKE0 DU/A13 2.5VDD 2.5VDD TECRA A3/S2 Series Maintenance Manual...
  • Page 164 DQS4 DQ34 DQ38 DQ35 DQ39 DQ40 DQ44 2.5VDD 2.5VD DQ41 DQ45 DQS5 DQ42 DQ46 DQ43 DQ47 2.5VDD 2.5VD 2.5VDD CK1# DQ48 DQ52 DQ49 DQ53 2.5VDD 2.5VDD DQS6 DQ50 DQ54 DQ51 DQ55 DQ56 DQ60 2.5VDD 2.5VDD TECRA A3/S2 Series Maintenance Manual...
  • Page 165 Table C-1 SODIM /F pi ssignmen (200-PIN) (4/ Pin No. Signal name Pin No. Signal Name DQ57 DQ61 DQS7 DQ58 DQ62 DQ59 DQ63 2.5VDD 2.5VD 3.3VDD_SPD VDD_ID TECRA A3/S2 Series Maintenance Manual...
  • Page 166 Table C-2 RG B I/ F pi ssignme (15-pin) Pin No. Signal name Pin No. Signal Name CRT_R CRT_G CRT_B +CRT_VCC DC_DATA DACA_HSYNC DACA_VSYNC DDC_CLK TECRA A3/S2 Series Maintenance Manual...
  • Page 167 Signal name Pin No. Signal Name PIDE-RST# PDD7 PDD8 PDD6 PDD9 PDD5 PDD10 PDD4 PDD11 PDD3 PDD12 PDD2 PDD13 PDD1 PDD0 PDDREQ PDIOW# PDIOR# PDIORDY PCSE PDDACK# IRQ14 PDA1 PDA0 PDA2 PDCS1# PDCS3 PHDD_LED# +5VS +5VS TECRA A3/S2 Series Maintenance Manual...
  • Page 168 SIDE_RST# SDD8 SDD7 SDD9 SDD6 SDD10 SDD5 SDD11 SDD4 SDD12 SDD3 SDD13 SDD2 SDD14 SDD1 SDD15 SDD0 SDDREQ SDIOR# SDIOW# SIORDY SDDACK IRQ15 SDA1 +5VCD SDA0 SDA2 SDCS1# SDCS3# SHDD_LED# +5VCD +5VCD +5VCD +5VCD +5VCD TECRA A3/S2 Series Maintenance Manual...
  • Page 169 S1_A18 S1_A14 S1_A19 S1_WE# S1_A20 S1_RDY# S1_A21 +S1_VCC +S1_VCC +S1_VPP +S1_VPP S1_A16 S1_A22 S1_A15 S1_A23 S1_A12 S1_A24 S1_A7 S1_A25 S1_A6 S1_VS2 S1_A5 S1_RST S1_A4 S1_WAIT# S1_A3 S1_INPACK# S1_A2 S1_REG# S1_A1 S1_BVD2 S1_A0 S1_BVD1 S1_D0 S1_D8 TECRA A3/S2 Series Maintenance Manual...
  • Page 170 TECRA A3/S2 Series Maintenance Manual...
  • Page 171 Table C-5 PC Card I/F pin assignments (84-pin) (2/2) Pin No. Signal name Pin No. Signal Name 1_D1 1_D9 S1_D S1_W CD2# C-10 TECRA A3/S2 Series Maintenance Manual...
  • Page 172 Pin No. Signal Name SWITCH PIRQH# +5VS_M INIPCI +3.3V PIRQG +3.3V PCICLK PCIRS +3.3V REQ1# GNT1# +3.3V AD31 WLAN AD29 AD27 +3.3 AD25 CBE3# AD24 AD23 I_IDSEL AD21 AD22 AD19 AD17 AD18 CBE2# AD16 TECRA A3/S2 Series Maintenance Manual C-11...
  • Page 173 Signal Name IRDY# +3.3V FRAME# PM_CLKRUN# TRDY# PCI_SERR# STOP# +3.3V PCI_PERR# DEVSEL# C/BE1# AD14 AD15 AD13 AD12 AD11 AD10 AD09 AD08 C/BE0# AD07 +3.3V +3.3V AD06 AD05 AD04 AD02 AD03 AD00 +5VS_MINIPCI AD01 +5VS_MINIP +3.3V C-12 TECRA A3/S2 Series Maintenance Manual...
  • Page 174 TECRA A3/S2 Series Maintenance Manual C-13...
  • Page 175 Panel Data Signals GMCH_TXOUT1- Panel Data Signals GMCH_TZOUT1+ Panel Data Signals GMCH_TXOUT1+ Panel Data Signals GMCH_TZOUT2- Panel Data Signals GMCH_TXOUT2- Panel Data Signals GMCH_TZOUT2+ Panel Data Signals GMCH_TXOUT2+ Panel Data Signals GMCH_TZCLK- Panel Clock Signals C-14 TECRA A3/S2 Series Maintenance Manual...
  • Page 176 S.M/xD-07 5M-CD-SW S.M-LVD #S.M/xD-R/B SD-WP-SW #S.M/xD-RE SD-DAT1 #S.M/xD-CE SD-DAT0 S.M/xD-VCC SD-CLK #S.M-CD SD-VCC S.M/xD-03 SD-CMD S.M/xD-02 SD-DAT3 S.M/xD-01 SD-DAT2 S.M-D0 M5-B5 S.M/xD-WP-IN MS-DATA1 #S.M/xD-WE MS-DATA0 #S.M/xD-ALE MS-DATA2 #S.M/xD-CLE MS-INS xD-CD MS-DATA3 xD-VCC MS-SCLK SD-CD-COM TECRA A3/S2 Series Maintenance Manual C-15...
  • Page 177 Table C-9-1 JP12 Fan I/F pin assignments (3-pin) Pin No. Signal name Pin No. Signal Name FAN1 FAN-SPEED1 C.10 PJP1 Table C-10 AC Adaptor Connector pin assignments (3-pin) Pin No. Signal name Pin No. Signal Name DC_IN_S2 DC_IN_S2 C-16 TECRA A3/S2 Series Maintenance Manual...
  • Page 178 Table C-11 Microphone I/F pin assignments (6-pin) Pin No. Signal name Pin No. Signal Name ANGND BIAS ANGND C.12 JP22 Table C-12 Headphone Connector pin assignments (6-pin) Pin No. Signal name Pin No. Signal Name ANGND INTSPK_L1 INTSPK_R1 NBA_PLUG ANGND TECRA A3/S2 Series Maintenance Manual C-17...
  • Page 179 Appendix D Appendix D Keyboard Scan/Character Codes Table D-1 Scan code s (set 1 and set 2) (1/4) Code set 1 Code set 2 eytop Note Make Break Make reak ‘ ~ 7 & B kSp TECRA A3/S2 Series Maintenance Manual...
  • Page 180 Table D-1 Scan code s (set 1 and set 2) (2/4) Code set 1 Code set 2 Note Make Break Make reak ‘ “ Enter Shift , < . > Shift (R) TECRA A3/S2 Series Maintenance Manual...
  • Page 181 -1 Scan cod es (set 1 and s et 2) (3/4) Code set 1 Code set 2 Keytop Note Make Break Make Break Ctrl(L) Alt (L) Space Ctrl(R) ← Home ↑ ↓ PgUp PgDn → TECRA A3/S2 Series Maintenance Manual...
  • Page 182 5. * This key corresponds to key No. 42 in a 102- key model. 6. * Refer to Table D-6, No. 124 key scan code. 7. * Refer to Table D-7, No. 126 key scan code. TECRA A3/S2 Series Maintenance Manual...
  • Page 183 With left Shift ht Shift With rig Set 1 E0 AA ___________ E0 B6 E0 2A ___________ E0 36 Set 2 E0 F0 12_________ E0 F0 59 E0 12____________ E0 59 TECRA A3/S2 Series Maintenance Manual...
  • Page 184 AA E0 12 E0 2F E0 F0 2F E0 F0 12 Table D-4 Scan codes with Fn key Code set 1 Code set 2 Keytop Make Break Make Break L-CTRL L-ALT AR ROW NUMERIC Scrl TECRA A3/S2 Series Maintenance Manual...
  • Page 185 Code set 1 Code set 2 eyto Make Break Break (–) Table D- 6 No.124 key scan code set 1 Co e set 2 Shift Break Make Br ak Common Ctrl + Shift + Alt + TECRA A3/S2 Series Maintenance Manual...
  • Page 186 Table D-7 No.126 key scan code Key top Shift Code set 1 Code set 2 Make Make Pause Common Ctrl *: This key generates only make codes. TECRA A3/S2 Series Maintenance Manual...

  • Page 187: Appendix E Key Layout

    Appendix E Appendix E Key Layout United States (US) Keyboard Figure E-1 US keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 188 United Kingdom (UK) Keyboard Figure E-2 UK keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 189 Spanish (SP) Keyboard Figure E-3 SP keyboard Japanese (JA) Keyboard Figure E-4 JA keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 190 Korean (KO) Keyboard Figure E-5 KO keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 191 French (FR) Keyboard Figure E-6 FR keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 192 French-Canadian Keyboard Figure E-7 FR-C keyboard Portuguese Keyboard Figure E8 Portuguese keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 193 US-INTERNATIONAL Keyboard Figure E-9 US-INTE Keyboard E.10 Greece(GR) Keyboard Figure E-10 GR keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 194 E.11 Chinese-T Keyboard Figure E-11 CH-T keyboard E.12 Swedish Keyboard Figure E-12 Swedish keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 195 E.13 ITALIAN Keyboard Figure E-13 IT keyboard E.14 CZECH Keyboard Figure E-14 Czech keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 196 E-10 TECRA A3/S2 Series Maintenance Manual...

  • Page 197: Series Screw Torque List

    LOG UP LOG UPPER ASSY MMCK25030Z0 M2.5*3 TP BRK TO LOG UP 2.5~3.0kg MMCK25030Z0 M2.5*3 SPEAKER R/L TO LOG UP 2.5~3.0kg MMCK25030Z0 M2.5*3 TP PCB TO LOG UP 2.5~3.0kg MMCK25030Z0 M2.5*3 POWER PCB TO LU 2.5~3.0kg TECRA A3/S2 Series Maintenance Manual...
  • Page 199 MMCK25050Z0 M2.5*5 2.5~3.0kg MB TO LL THERMAL FAN ASSY TO MMCK25050Z0 M2.5*5 2.5~3.0kg MMCK25050Z0 M2.5*5 LU TO LL 2.5~3.0kg MMCK25050Z0 M2.5*5 HDD DOOR TO LL 2.5~3.0kg CPU THERMAL SINK TO MMCK25050Z0 M2.5*5 2.5~3.0kg CPU STANDOFF TECRA A3/S2 Series Maintenance Manual...
  • Page 200 FIX BAY BRACKET WITH MMCK20030Z0 M2.0*3 2.0~2.5kg DRIVER M2.5*3.6 (SPECIAL MINI PCI BRACKET TO MM000000200 SCREW) LOG LOW M2.5*3.6 (SPECIAL MINI PCI BRACKET TO MM000000300 SCREW) LOG LOW ECTQ0069000 (SPECIAL SCREW) RAM DOOR TO LOG LOW TECRA A3/S2 Series Maintenance Manual...

  • Page 201: Reliability

    Appendix G Reliability The following table shows MTBF (Mean Time Between Failures) for e ach component. Table G-1 MTB Compon Time (hours 50,000 Keyboard 40,000 300,000 Removable FDD 30,000 Optical (DVD/CD) drive 60,000 AC adaptor 60,000 TECRA A3/S2 Series Maintenance Manual...
  • Page 202 TECRA A3/S2 Series Maintenance Manual...

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